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What are the simple tests to rule out colorectal cancer?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hi doctor,

I have had hemorrhoids for a few years. My doctor has suggested a colonoscopy to rule out cancer. Is there any simple test available to rule out colon or rectal cancer?

Please mention an opinion regarding the stool occult blood test.

Thank you.

Answered by Dr. Rajesh Gulati

Education:

MBBS

Professional Bio:

Dr. Rajesh Gulati is a Family Physician with 21 years of clinical experience. He did his MBBS from Goa Medical College in 2002. Later, he pursued his Post Graduate Diploma in Geriatric Medicine from Indira Gandhi Open University in 2008. He expertise in Geriatrics and Medical Oncology. He can communicate in Hindi and Punjabi. He also works as SME in Clinical Abstraction Oncology.

This doctor is not available for online consultations on the platform anymore.

Hi,

Welcome to icliniq.com.

First of all, you get an MRI (magnetic resonance imaging) of the abdomen done. You can have a mass when you have colon or rectal cancer. If a mass is seen, then you can do a colonoscopy.

You can also do a CEA (carcinoembryonic antigen), as CEA shows an increase in range when you have colon cancer. You can also do a stool DNA test. If the stool DNA test is positive, then you can also do a colonoscopy to confirm the diagnosis.

I hope this helps.

Kindly follow up if you have more concerns.

Patient's Query

Hello doctor,

Thank you for your reply.

Please share your opinion regarding the stool occult blood test. Can I have bleeding daily in colon cancer, the same as hemorrhoids?

Please suggest.

Thank you.

Answered by Dr. Rajesh Gulati

Education:

MBBS

Professional Bio:

Dr. Rajesh Gulati is a Family Physician with 21 years of clinical experience. He did his MBBS from Goa Medical College in 2002. Later, he pursued his Post Graduate Diploma in Geriatric Medicine from Indira Gandhi Open University in 2008. He expertise in Geriatrics and Medical Oncology. He can communicate in Hindi and Punjabi. He also works as SME in Clinical Abstraction Oncology.

This doctor is not available for online consultations on the platform anymore.

Hi,

Welcome back to icliniq.com.

Bleeding in colon cancer or hemorrhoids does not have a fixed pattern. If the stool occult test is positive, then a colonoscopy can be done to rule out the disease. A stool DNA test is a more specific test for diagnosing it.

Colonoscopy is one of the most precise analyses done to diagnose colon cancer. It is very safe and painless nowadays.

I hope this helps.

Kindly follow up if you have more concerns.

Thank you.

Medically reviewed by iCliniq medical review team
Published At December 12, 2018
Reviewed At December 22, 2025

Education:

MBBS

Professional Bio:

Dr. Rajesh Gulati is a Family Physician with 21 years of clinical experience. He did his MBBS from Goa Medical College in 2002. Later, he pursued his Post Graduate Diploma in Geriatric Medicine from Indira Gandhi Open University in 2008. He expertise in Geriatrics and Medical Oncology. He can communicate in Hindi and Punjabi. He also works as SME in Clinical Abstraction Oncology.

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MBBS

Professional Bio:

Dr. Rajesh Gulati is a Family Physician with 21 years of clinical experience. He did his MBBS from Goa Medical College in 2002. Later, he pursued his Post Graduate Diploma in Geriatric Medicine from Indira Gandhi Open University in 2008. He expertise in Geriatrics and Medical Oncology. He can communicate in Hindi and Punjabi. He also works as SME in Clinical Abstraction Oncology.

This doctor is not available for online consultations on the platform anymore.

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